diff --git a/tests/test_points.py b/tests/test_points.py
index 117951a..003c882 100644
--- a/tests/test_points.py
+++ b/tests/test_points.py
@@ -1,6 +1,12 @@
 import numpy as np
 import pytest
-from shapely.geometry import Point, MultiPoint, LineString, GeometryCollection, MultiLineString
+from shapely.geometry import (
+    Point,
+    MultiPoint,
+    LineString,
+    GeometryCollection,
+    MultiLineString,
+)
 from sleap_roots import Series
 from sleap_roots.lengths import get_max_length_pts
 from sleap_roots.points import (
@@ -815,9 +821,17 @@ def test_extract_from_empty_geometrycollection():
 @pytest.mark.parametrize(
     "geometry, expected",
     [
-
         (MultiLineString([[(0, 0), (1, 1)], [(2, 2), (3, 3)]]), []),
-        (GeometryCollection([Point(1, 2), LineString([(0, 0), (1, 1)]), MultiLineString([[(0, 0), (1, 1)], [(2, 2), (3, 3)]])]), [np.array([1, 2]), np.array([0, 0]), np.array([1, 1])]), # GeometryCollection with MultiLineString
+        (
+            GeometryCollection(
+                [
+                    Point(1, 2),
+                    LineString([(0, 0), (1, 1)]),
+                    MultiLineString([[(0, 0), (1, 1)], [(2, 2), (3, 3)]]),
+                ]
+            ),
+            [np.array([1, 2]), np.array([0, 0]), np.array([1, 1])],
+        ),  # GeometryCollection with MultiLineString
         (MultiLineString(), []),  # Empty MultiLineString
     ],
 )